70125 has 32 divisors (see below), whose sum is σ = 134784. Its totient is φ = 32000.

The previous prime is 70123. The next prime is 70139. The reversal of 70125 is 52107.

It is a happy number.

70125 is a nontrivial binomial coefficient, being equal to C(375, 2).

It is not a de Polignac number, because 70125 - 2¹ = 70123 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an alternating number because its digits alternate between odd and even.

70125 is a lucky number.

It is a nialpdrome in base 5.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4117 + ... + 4133.

It is an arithmetic number, because the mean of its divisors is an integer number (4212).

2⁷⁰¹²⁵ is an apocalyptic number.

70125 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

70125 is the 374-th triangular number.

It is an amenable number.

70125 is a deficient number, since it is larger than the sum of its proper divisors (64659).

70125 is a wasteful number, since it uses less digits than its factorization.

70125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46 (or 36 counting only the distinct ones).

The product of its (nonzero) digits is 70, while the sum is 15.

The square root of 70125 is about 264.8112535373. The cubic root of 70125 is about 41.2373698706.

The spelling of 70125 in words is "seventy thousand, one hundred twenty-five".